Greenhouse &
propagation
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A number of plants, such as African violets,
Cape primroses and foliage begonias are easy to propagate from leaf cuttings.
Bottom heat, as provided by an electric propagator, will speed rooting in every
case.
• Large leaves, such as
begonias, can be laid on the compost surface, weighted down by small stones,
and set into a warm, humid atmosphere.
• Long leaves, such as
those of Mother-in-law's tongue (Sansevieria) or Cape primroses (Streptocarpus)
are cut into sections, and these inserted into compost.
• The leaf stems of
African violets can be inserted directly into compost, or even started off in a
glass of water before potting.
Invest in an electric propagator. This provides bottom (soil)
heat, and a covered top to retain humidity, making the perfect environment, not
only for cuttings but also for seeds.
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Root cuttings
Root
fragments, too, will regenerate into complete plants. Oriental poppies, Bears
Breeches, Anchusa and Pasque flowers are examples of perennials easily
increased by taking root cuttings.
Short sections of root -
about the size of cigarette stubs - are laid on compost in a seed tray and then
covered over with more compost, or with coarse gardening sand. Placed under
greenhouse staging, in midwinter, they will begin to sprout in
spring.
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